Nissan Frontier D22. Manual - part 313

DTC P0455 EVAP CONTROL SYSTEM

EC-355

[KA24DE]

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EC

DTC P0455 EVAP CONTROL SYSTEM

PFP:14950

On Board Diagnosis Logic

UBS00D84

NOTE:
If DTC P0455 is displayed with DTC P1448, first perform trouble diagnosis for DTC P1448. (See 

EC-481

.)
This diagnosis detects a very large leak (fuel filler cap fell off etc.) in the EVAP system between the fuel tank
and the EVAP canister purge volume control solenoid valve.

PBIB1402E

DTC No.

Trouble diagnosis name

 DTC detecting condition

Check Items (Possible Cause)

P0455

EVAP control system 
gross leak detected.

●

EVAP control system has a 
very large leak such as fuel 
filler cap tell off.

●

EVAP control system does 
not operate properly.

●

Incorrect fuel tank vacuum relief valve

●

Incorrect fuel filler cap used

●

Fuel filler cap remains open or fails to close.

●

Foreign matter caught in fuel filler cap.

●

Leak is in line between intake manifold and EVAP canister 
purge volume control solenoid valve.

●

Foreign matter caught in EVAP canister vent control valve.

●

EVAP canister or fuel tank leaks

●

EVAP purge line (pipe and rubber tube) leaks

●

EVAP purge line rubber tube bent.

●

Blocked or bent rubber tube to EVAP control system pres-
sure sensor

●

Loose or disconnected rubber tube

●

EVAP canister vent control valve and the circuit

●

EVAP canister purge volume control solenoid valve and the 
circuit

●

Fuel tank temperature sensor

●

O-ring of EVAP canister vent control valve is missing or 
damaged.

●

Water separator

●

EVAP canister is saturated with water.

●

EVAP control system pressure sensor

●

Fuel level sensor and the circuit

●

Refueling control valve

●

ORVR system leaks

EC-356

[KA24DE]

DTC P0455 EVAP CONTROL SYSTEM

CAUTION:

●

Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used,
the MIL may come on.

●

If the fuel filler cap is not tightened properly, the MIL may come on.

●

Use only a genuine NISSAN rubber tube as a replacement.

DTC Confirmation Procedure

UBS00D85

CAUTION:

Never remove fuel filter cap during the DTC confirmation procedure.

NOTE:

●

If DTC P0455 is displayed with DTC P1448, first perform trouble diagnosis for DTC P1448. (See 

EC-

481

 .)

●

If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch OFF and wait
at least 5 seconds before conducting the next test.

●

Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve
properly.

TESTING CONDITION:

●

Perform “DTC WORK SUPPORT” when the fuel level is between 1/4 and 3/4 full, and vehicle is
placed on flat level surface.

●

Open engine hood before conducting the following procedure.

 WITH CONSULT-II

1.

Tighten fuel filter cap securely until ratcheting sound is heard.

2.

Turn ignition switch ON.

3.

Turn ignition switch OFF and wait at least 5 seconds.

4.

 Turn ignition switch ON and select “DATA MONITOR” mode
with CONSULT-II.

5.

Make sure that the following conditions are met.
COOLAN TEMP/S: 0 - 70

°C (32 - 158°F)

INT/A TEMP SE: 0 - 60

°C (32 - 140°F)

6.

Select  “EVAP SML LEAK P0442/P1442” of “EVAP SYSTEM” in “DTC WORK SUPPORT” mode with
CONSULT-II.
Follow the instruction displayed.

NOTE:
If the engine speed cannot be maintained within the range displayed on the CONSULT-II screen, go to

EC-74, "Basic Inspection"

 .

SEF475Y

PBIB0829E

DTC P0455 EVAP CONTROL SYSTEM

EC-357

[KA24DE]

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EC

7.

Make sure that “OK” is displayed.
If “NG” is displayed, select “SELF-DIAG RESULTS” mode with
CONSULT-II and make sure that “EVAP GROSS LEAK [P0455]”
is displayed. If it is displayed, refer to 

EC-357, "Diagnostic Pro-

cedure"

 . 

If P0442 is displayed, perform “Diagnostic Procedure” for DTC
P0442, 

EC-316

 .

 WITH GST

NOTE:

●

Be sure to read the explanation of before driving vehicle.

●

It is better that the fuel level is low.

1.

Start engine.

2.

Drive vehicle according to 

EC-58, "Driving Pattern"

 .

3.

Stop vehicle.

4.

Select “MODE 1” with GST.

–

If SRT of EVAP system is not set yet, go to the following step.

–

If SRT of EVAP system is set, the result will be OK.

5.

Turn ignition switch OFF and wait at least 5 seconds.

6.

Start engine.
It is not necessary to cool engine down before driving.

7.

Drive vehicle again according to the 

EC-58, "Driving Pattern"

 .

8.

Stop vehicle.

9.

Select “MODE 3” with GST.

–

If P0455 is displayed on the screen, go to 

EC-357, "Diagnostic Procedure"

 .

–

If P0442 is displayed on the screen, go to 

EC-316, "Diagnostic Procedure"

 .

–

If P0441 is displayed on the screen, go to 

EC-306, "Diagnostic Procedure"

 .

–

If P0441, P0442 and P0455 are not displayed on the screen, go to the following step.

10. Select “MODE 1” with GST. 

–

If SRT of EVAP system is set, the result will be OK.

–

If SRT of EVAP system is not set, go to step 6.

Diagnostic Procedure

UBS00D86

1. 

CHECK FUEL FILLER CAP DESIGN

1.

Turn ignition switch OFF.

2.

Check for genuine NISSAN fuel filler cap design.

OK or NG

OK

>> GO TO 2.

NG

>> Replace with genuine NISSAN fuel filler cap.

LEC048A

SEF915U

EC-358

[KA24DE]

DTC P0455 EVAP CONTROL SYSTEM

2. 

CHECK FUEL FILLER CAP INSTALLATION

Check that the cap is tightened properly by rotating the cap clockwise.

OK or NG

OK

>> GO TO 3.

NG

>>

●

Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.

●

Retighten until ratcheting sound is heard.

3. 

CHECK FUEL FILLER CAP FUNCTION

Check for air releasing sound while opening the fuel filler cap.

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 4.

4. 

CHECK FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FILLER CAP)

1.

Wipe clean valve housing.

2.

Check valve opening pressure and vacuum.

CAUTION:

Use only a genuine fuel filler cap as a replacement. If an
incorrect fuel filler cap is used, the MIL may come on.

OK or NG

OK

>> GO TO 5.

NG

>> Replace fuel filler cap with a genuine one.

5. 

CHECK EVAP PURGE LINE

Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks or improper connection or
disconnection.
Refer to 

EC-565, "EVAPORATIVE EMISSION LINE DRAWING"

 .

OK or NG

OK

>> GO TO 6.

NG

>> Repair or reconnect the hose.

6. 

CLEAN EVAP PURGE LINE

Clean EVAP purge line (pipe and rubber tube) using air blower.

>> GO TO 7.

SEF445Y

Pressure

: 16.0 - 20.0 kPa

 (0.163 - 0.204 kg/cm

2

 , 2.32 - 2.90 psi)

Vacuum

: 

−6.0 to −3.5 kPa

 (

−0.061 to −0.036 kg/cm

2

 , 

−0.87 to −0.51 psi)

SEF943S